10          20        30        40        50        
AACAUAAGGCUCUUAAA--|     A      A        UG           CUGUA 
                   GUGUUG GUUGGC AAAAAGUU  UUUGGGUUUUU     A
                   CGUAAC CAACCG UUUUUCAA  AGACCCAAAAA     U
ACUCGAAGUAAUAGGUAAU^     C      G        GU           UUCUA 
      110       100        90        80        70        60